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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-05 20:42:11 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 03:41:33 +0200 |
| commit | 1e9fa7c69fdc1a2cf2a716b818e5cdad28333f6c (patch) | |
| tree | b12d4d89a20449f008b1cc70e0cc76b2795d5979 /libavcodec/dfa.c | |
| parent | cd6c4082db7659409c0672f68318559a6eb62b3d (diff) | |
| download | ffmpeg-1e9fa7c69fdc1a2cf2a716b818e5cdad28333f6c.tar.gz | |
avcodec/dfa: Fix off by 1 error
Fixes out of array access
Fixes: 1345/clusterfuzz-testcase-minimized-6062963045695488
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f52fbf4f3ed02a7d872d8a102006f29b4421f360)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/dfa.c')
| -rw-r--r-- | libavcodec/dfa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/dfa.c b/libavcodec/dfa.c index f45d019a79..5ddb647c4c 100644 --- a/libavcodec/dfa.c +++ b/libavcodec/dfa.c @@ -175,7 +175,7 @@ static int decode_dds1(GetByteContext *gb, uint8_t *frame, int width, int height return AVERROR_INVALIDDATA; frame += v; } else { - if (frame_end - frame < width + 3) + if (frame_end - frame < width + 4) return AVERROR_INVALIDDATA; frame[0] = frame[1] = frame[width] = frame[width + 1] = bytestream2_get_byte(gb); |